A pendulum consists of a 320- g solid ball 15.0 cm in diameter, suspended by an

Question

A pendulum consists of a 320- g solid ball 15.0 cm in diameter, suspended by an essentiallymassless string 70.0 cm long. Calculate the period of this pendulum, treating as a simple pendulum. Express your answer using four significant figures. Tsimple= Try Again; 3 attempts remaining Calculate the period of this pendulum, treating as a physical pendulum. Hint: Remember the parallel-axis theorem. Express your answer using four significant figures. Tphys = How much error is introduced by the simple pendulum approximation? Calculate the period of this pendulum, treating as a simple pendulum. Express your answer using four significant figures. Tsimple = Try Again; 3 attempts remaining Calculate the period of this pendulum, treating as a physical pendulum. Hint: Remember the parallel-axis theorem. Express your answer using four significant figures. T phys = Try Again; 4 attempts remaining How much error is introduced by the simple pendulum approximation? Tphys - Tsimple/Tphys Tit Again; 4 attempts remaining

Explanation / Answer

Tsimple=2l/g l=(0.15/2+0.7)m I=2/5*MR2=2/5*0.32*0.752 M=0.32kg M=0.32kg Tphys=2I/M Plug in the values to get the right solution. Hence we get by it.

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